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Thorny Devil Video:
http://video.nationalgeographic.com/video/player/animals/reptiles-animals/lizards/lizard_thornydevil.html
Cobra Vs. Rattlesnake Video:
http://video.nationalgeographic.com/video/player/animals/reptiles-animals/snakes/cobra_eatsratsnake.html
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BS+KewweBTTVTmTGYwc0mPvXSaG5oqxl2R7y0hugfMUbsfeHWqO60eVGPljzFA6gcj8K0O7IrgOTV4ZJRKxySjoyDWzpwwKt2GKESynPI/CtyUjkXEiqw/rDNBWztEJK28eT/AFc4qv8AQvgp+9eox6vIeqgj+sKRChd2wgA4JU1tPKh6eTHj+yKT2lnIoD28X9rbgj8qH9C+Af0fRh/QfulueoxU7ToZZmVYUTOfvynav68Vy/8AIF1ILUEKrkD3qPGjzOieYFU8ZYnCjPOf8q6btWX2i0W+s7Vg8ipeyMnOF2rGffkYY/hiplnBqWrYmvrwxWRYlZZjtTd2G4AhGPbOKZa3mi6JEJIEXVbuSJ0cTxFI4CcbWjOclgc9R+VVl7qkt7M00giXeP8Aw4U2BT+9gdT8nrSJXoNGsja2sGkOl3M8N+sSSrPLN5Ey5HrjdH9MvxgjI+uKpptSiVDJatdS2UpT7XaTSbQzgHn09u49uBzVK0812VS4keRlG1Gkk+6Pbk9PipNtFJIHnjiWV4oz9oiKY2r03Y/Ec/jRUQUN3R/0Uf7wUqB9nt/6Yv8AsH/GlRMWniOPbcwvjG5OfwNRtGsheXWZ+IYzl/n2FaG4tYbpkMybinTmuz2ckilbZ0iVgA42dfkY71xRz/44o5Y5Vx4g9S1i3jjXYwkfHpC9BUPTrS5ubj7XOxj/AHSOGH09vrUy00i1tn8zHmyfvOOn0FTxnPNSUoQVQJ8lFVEdGoUAAAADAAopIxQlHNOI5IqZNiyDTWwKWMVzr1rGGMMiht0opHtQWBopjIHjBIpucGibTnJpjKSaomMEVhiu5zQcEV0NRswWu8MCCeDxQi1INWMAi0eyQ5ZGk+Gbj9KBrOkJJC1xZjy2RfVGo4b6fNWSmiK/NOskk7sKnJO7MLDbtNcLEXSPJwWkbaq/X2rUj/R14hljjmsLeK/tJFDC5tX3oM/UBuO/Hx1oOv2qti5XIOArjHB+a54b8U6l4dv4JbO5l8mN8vb7yEkB+8D/ANcda6lkclaOyE+SsPY6DqeiTR3OpRXMGlyyeRNc2+CByOuQQDnB5HarW5g1nXtI069t/L1KazmMEf2VCs2TghZOhKkA7SM9xW8sNY8Lf6QYZIpoZbHUygVvMcFHds4whbDHIHOAckCuaz4Q0a30WTy7a4s7xCQ08cEghkAPG+NQQw+ODn6VKU5LeylJ9mQ+y6b/AKl6/wD7uP8A/OlWe/lO9/8Ab5//AL0q3OX0CidH0oydKVKvPPMQ4feP0rhpUqYEjop4ApUqDFOkDim4GaVKsgnAoJORTXRfalSo+jo5sX2oLIuelKlTIZHGRcdKGVUHgUqVUiFCwK6AKVKsYcgG6nqopUqwvp3y0lUpIoZW4INZW5iRLmVFXCq5AFKlVvx9svg2wcKKZGyK1Xg7xVr1vfG3j1a6MDr6o3fevBAHBz2pUqtl0dSPXf5UuveD/h4/+WlSpVAB/9k= 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Article:
http://www.heraldtribune.com/article/20090703/ARTICLE/907031029
Reptiles
Characteristics
Body Structure
Dry skin scales (protection and water conservation)
Legs fully under body for mobility
Jacobsen's organ
Small holes in roof of mouth where tongue is inserted to pick up scents
Body Function
Lungs for gas exchange
Three-chambered heart
Ecthotherms (cold-blooded)
Reproduction
Internal fertilization
External development in amniotic egg
Several sacs inside a hard shell that nourish the embryo until it hatches
Key to reptile success
*Main reason for successful transition to land*
Reptile Taxonomy
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Reptilia
Orders: Chelonia, Crocodilia, Squamata
Chelonia
Turtles
Protected by a shell
Powerful break and jaws but no teeth
Sea turtles have flippers ad migrate to lay eggs on land
Tortoises
Live completley on land
Crocodilia
*Have powerful jaws and lay eggs in nests on the ground
Crocodiles
More time spent in the water
Slender snout
Alligators
More time spent on land
Broad Snout
Squamata
Lizards
Monitor lizard and Komodo Dragon are largest
Geckos are small, nocturnal; have pads on their feet to walk on walls
Poisonous lizards include: Gila Monster and Beaded Lizard
Snakes
Most numerous of all reptiles
No limbs
Hinged jaws to swallow prey whole
Constrictors (boas, pythons, anacondas)
Poisonous (rattlesnakes, cobras, vipers) w/ venom that could destroy blood cells or nervous system
Dinosaurs
Group of reptiles that went extinct
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http://video.nationalgeographic.com/video/player/animals/reptiles-animals/lizards/lizard_thornydevil.html
Cobra Vs. Rattlesnake Video:
http://video.nationalgeographic.com/video/player/animals/reptiles-animals/snakes/cobra_eatsratsnake.html
Article:
http://www.heraldtribune.com/article/20090703/ARTICLE/907031029
Reptiles